Standard Practice for Examination of Mill and Kiln Girth Gear Teeth ...
This practice describes a twopart procedure for electromagnetic evaluation on gear teeth on mill and kiln gear drives and pinions. The first part of this practice details the ability to detect 100 % of surfacebreaking discontinuities in the flank and root area on both the drive side and nondrive (coast) side of the gear tooth using an eddy current array.